G.N. (GRAM NEGATIVE) HAJNA BROTH

Technical Data #2798a / 2013.11.01

GN Broth is a selective enrichment medium used for cultivation of Gram negative from various sources. Mannitol enhances Salmonella and Shigella recovery. Sodium citrate and sodium deoxycholate are the inhibitors.

FORMULAin grams per liter purified filtered water

Casein Peptone

10,0

Meat Peptone

10,0

Dextrose

1,0

Mannitol

2,0

Sodium Citrate

5,0

Sodium Deoxycholate

0,5

Potassium Phosphate, dibasic

4,0

Potassium Phosphate, monobasic

1,5

Sodium Chloride

5,0

pH 7,0 +/- 0,2 à 25º C

This approximate formula may be adjusted and/or enriched to obtain best results.

PRECAUTIONSThis medium is for IN VITRO diagnostic use only.

STORAGEStore prepared media at 2-8° C protected from direct light and dehydrated powder, in a dry place, in tightly-sealed containers at 2-25° C.

SIGN OF DETERIORATIONMedia should not be used if the expiry date has passed. Prepared media should not be used if there are signs of contamination or deterioration, evaporation or discoloration. Do not use dehydrated media if it is caked.